Home / 4,953.19-7,428.22-1,790.21

Finding the Fourth Proportional to 4,953.19, 7,428.22 and 1,790.21

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Solution

The fourth proportional to 4,953.19, 7,428.22 and 1,790.21 is: 2,684.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,953.19 : 7,428.22 = 1,790.21 : x
  2. Step 2: Convert to fraction form
    4,953.19/7,428.22 = 1,790.21/x
  3. Step 3: Cross multiply
    4,953.19x = 7,428.22 × 1,790.21
  4. Step 4: Simplify right side
    4,953.19x = 13,298,073.73
  5. Step 5: Solve for x
    x = 13,298,073.73/4,953.19
  6. Step 6: Final answer
    x = 2,684.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.